<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>catide_website</title>
    </head>
    <body>
        <h1>catide_website</h1>
        <p>网站测试中</p>
    </body>
    <script>
        function checkos(){
            return navigator.platform;
        }
        document.write("操作系统为："+checkos());
    </script>
</html>